Universal 20V 3Ah True-Capacity Rechargeable Battery for RYOBI Electric Drill Replacement Lithium Battery 4Ah 5Ah 6Ah Battery
Wholesale high-performance Universal 20V 3Ah True-Capacity Rechargeable Battery for RYOBI Electric Drill Replacement Lithium Battery 4Ah 5Ah 6Ah Battery. Built with 18V (18V nominal, 5S2P High-Capacity Stem-Insertion Architecture) delivering verified 3Ah / 4Ah / 5Ah / 6Ah capacity, Grade-A high-drain cells, and precision multi-tier BMS. Fully compatible with OEM chargers and cordless platforms. Certified CE, RoHS, UN38.3.
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Direct Engineering Answer: Universal 20V 3Ah True-Capacity Rechargeable Battery for RYOBI Electric Drill Replacement Lithium Battery 4Ah 5Ah 6Ah Battery
This 18V 3Ah / 4Ah / 5Ah / 6Ah replacement lithium-ion battery is built on a 5S2P High-Capacity Stem-Insertion Architecture delivering 108Wh of verifiable nominal energy for your cordless equipment fleet. Engineered with 10 selected Grade-A 18650 power cells configured with insulated stem wiring and dual-point latching tabs and an industrial BMS with precision analog thermal and over-current protection, it ensures exact physical engagement, drop-in charging compatibility with OEM chargers (Ryobi P117 IntelliPort, P118, P118B, and P135 6-port Supercharger), and sustained 30A Continuous / 50A Peak Surge (≤5s). Before purchasing for fleet renewal, verify your tool interface footprint (135 × 82 × 108 mm (±1.5 mm)), operating voltage (18V), and maximum continuous discharge requirements.
Key Product Facts
| Nominal Voltage & S-Configuration | 18V (18V Nominal, 5S2P High-Capacity Stem-Insertion Architecture) |
|---|---|
| Available Rated Capacities | 3Ah / 4Ah / 5Ah / 6Ah (True Tested Capacity @ 0.2C, 25°C) |
| Total Energy Output (Wh) | Approx. 108 Wh |
| Cell Specifications & Chemistry | 10 selected Grade-A 18650 power cells configured with insulated stem wiring and dual-point latching tabs |
| Continuous & Peak Current | 30A Continuous / 50A Peak Surge (≤5s) |
| Physical Dimensions & Net Weight | 135 × 82 × 108 mm (±1.5 mm) | 0.68 kg (±0.02 kg) |
| Enclosure Material & Protection | Impact-resistant ABS casing featuring the iconic Ryobi stem tower, spring retention tabs, and integrated LED fuel gauge |
| Cycle Life Standard | ≥ 800 full charge/discharge cycles to 80% initial capacity |
| International Compliance | CE, RoHS, UN38.3, MSDS, 1.2m Drop Test Certified |
Full Parametric Electrical & Operating Specifications
| Electrical Parameter | Engineering Value & Tolerance | Test Condition & Standard |
|---|---|---|
| Operating Voltage Window | 15.0V – 21.0V | Full discharge to full charge cutoffs |
| Charge Voltage Cutoff | 21.00V ± 0.05V | Standard CC/CV profile (0.5C rate) |
| Discharge Voltage Cutoff | 15.00V ± 0.10V | Electronic load cutoff to prevent cell reversal |
| AC Internal Resistance (IR) | ≤ 26 mΩ | 1 kHz AC milliohm meter @ 25°C, 50% SoC |
| Recommended Charge Current | 2.0A – 4.0A (Fast Charge Supported) | Maintains pack thermal stability under standard docks |
| Operating Temperature (Discharge) | -20°C to +60°C | Maintains steady voltage delivery under sub-zero conditions |
| Operating Temperature (Charge) | 0°C to +45°C | Integrated thermal sensor prevents freezing-point charging |
| Recommended Storage Conditions | 15°C to 25°C, 45%–65% RH | Maintain 40%–50% SoC during extended warehousing |
Equipment Compatibility & Replacement Cross-Reference
Engineered for 100% plug-and-play mechanical fitment and terminal alignment across the following models:
- Direct Replacement for OEM Batteries: Ryobi ONE+ 18V battery part numbers: P102, P103, P104, P105, P107, P108, P190, P197, RB18L50, BPL-1815
- Compatible Tool / Vacuum Models: Ryobi ONE+ 18V system (over 260+ cordless tools): P208B drill driver, P238 brushless impact driver, P505 circular saw, P320 Airstrike brad nailer, and ONE+ garden trimmers
- Compatible Charging Docks: Ryobi P117 IntelliPort, P118, P118B, and P135 6-port Supercharger
- Docking Integrity: Precision engineered mounting rails eliminate rattle and electrical arching under vibration.
First-Party Manufacturing & Quality Assurance Standards
1. Automated 3-Axis Cell Grading
Every individual cylindrical cell undergoes automated grading before pack assembly: voltage delta ≤ 3 mV, internal resistance delta ≤ 1.5 mΩ, and capacity matching within ±1% to prevent premature pack degradation.
2. Pure Nickel Busbars & Precision Welding
Built with 0.15mm–0.20mm industrial pure nickel strips tested to ≥ 5.0 kgf destructive peel strength, ensuring ultra-low contact resistance and eliminating thermal hotspots during sustained high-current draws.
3. Multi-Tier Hardware BMS
Equipped with high-precision IC monitoring over-charge, over-discharge, short-circuit protection (≤300μs reaction), and dual NTC thermal sensors with automatic cutoffs.
4. 100% Full-Cycle Factory Aging
Every finished battery pack is placed on automated computerized aging racks for a 100% full charge-discharge cycle to verify real Ah capacity and electrical curves prior to packaging.
Operating Boundary Conditions & Application Fit
Recommended Applications
Residential maintenance contractors, finish carpenters, remodeling trades, and institutional facility maintenance fleets.
System Incompatibilities
Ryobi 40V outdoor lawn systems or competitive slide-style battery platforms.
OEM / ODM Engineering & Customization Services
| Engineering Dimension | Configurable Options | Required Customer Input |
|---|---|---|
| Capacity & Cell Chemistry | Tier-1 domestic high-drain cells, Samsung 25R/30Q, LG HG2, or 21700 cells | Desired runtime and target duty cycle |
| Housing & Branding | Private-label pad printing, corporate logo laser engraving, bespoke color matching | Vector artwork (AI/PDF) & brand guidelines |
| BMS & Thermal Calibration | Custom over-current trips, low-temperature lockout thresholds | Peak motor stall current profile |
| Packaging & Logistics | Retail presentation boxes, bulk workshop cartons, drop-test verified UN cartons | Distribution channel requirements |
B2B Supply Terms & Export Compliance
Available for engineering evaluation; typical dispatch within 3–5 working days.
Standard packaging: 50 pcs. Custom private label OEM: 200 pcs per production run.
15–20 business days for container and palletized sea/air freight orders.
Fully certified Class 9 DG export with UN38.3 test summaries and compliant MSDS documentation.
Frequently Asked Technical Questions
Q1: Will this replacement battery cause error lights or fail to charge on OEM docking stations?
No. The terminal pinout and internal BMS sensing circuits are calibrated to mirror OEM electrical communication protocols, preventing false error cutoffs or flashing trouble indicators during dock charging.
Q2: What causes aftermarket vacuum and power tool batteries to cut out prematurely during heavy loads?
Low-quality aftermarket packs use generic low-drain cells that suffer from severe voltage sag under sudden current demands. Our packs utilize verified Grade-A high-drain cells capable of sustaining continuous rated discharge without tripping low-voltage cutoffs.
Q3: How are Class 9 Dangerous Goods shipments handled for international customs?
All export shipments are accompanied by official UN38.3 test summaries, MSDS, and 1.2m drop packaging test certificates. We coordinate directly with freight forwarders experienced in lithium battery air and sea shipping compliance.
Need Fleet Replacement Units or Wholesale OEM Quotations?
Submit your target tool fleet models, expected order volumes, or private-label customization specs. Our technical sales team provides full mechanical specs, sample units, and FOB/CIF pricing within 24 hours.
